id:A113463 - OEIS Search Results

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Triangle read by rows: n-th row is the smallest set of n numbers in arithmetic progression with the distinct prime signatures.

+0
3

1, 1, 2, 2, 4, 6, 2, 4, 6, 8, 8, 9, 10, 11, 12, 23, 24, 25, 26, 27, 28, 24, 25, 26, 27, 28, 29, 30, 103, 114, 125, 136, 147, 158, 169, 180, 304, 330, 356, 382, 408, 434, 460, 486, 512, 324, 368, 412, 456, 500, 544, 588, 632, 676, 720, 8, 172, 336, 500, 664, 828, 992, 1156 (list; table; graph; listen)

	OFFSET	`1,3`
	COMMENT	`In this sequence "smallest" means that the last term of the arithmetic progression is minimized, with ties broken by minimizing the first term (or equivalently, by maximizing the common difference).`
	CROSSREFS	`Cf. A086786, A113462, A113464.` `Adjacent sequences: A113460 A113461 A113462 this_sequence A113464 A113465 A113466` `Sequence in context: A087377 A010768 A143267 this_sequence A127718 A115068 A051495`
	KEYWORD	`nonn,tabl,less`
	AUTHOR	`David Wasserman (dwasserm(AT)earthlink.net), Jan 08 2006`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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